This Carbide Burr Set includes 10 pieces with a 1/4 shank, featuring a clear box for organization. The max head diameter is 10mm, suitable for die grinder bits in cutting diameters of 6, 8, and 10mm. Made of head/tunsten carbide, these burrs offer a 15-degree cutting angle and come in uncoated, lightly lubricated finish. Ideal for metalworking supplies and CNC manufacturing, this set is durable and efficient for precision cutting tasks.